Stereoscope.



- 'PATENTED 001?. 11, 1904.

No. 772,058. I

- -H. E. RICHMOND.

STEREOSGOPE.

APPLI'GATION FILED OUT. 29, 1902.

N0 MODEL.

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UNITED STATES Patented. October 11, 1904.

PATENT OFFICE.

HENRY E. RICHMOND, OF WESTWOOD, NEW JERSEY, ASSIGNOR TO UNDERWOOD & UNDERWOOD, OF ARLINGTON, NEW J ERSEY,. A CORPORATION OF NEW "JERSEY.

STEREQSCOPE.

SPECIFICATION forming part of Letters Patent No. 772,058, dated October 11, 19.04.

Application filed October 29, 1902. Serial No. 129,186. (No model.)

To all whom it may concern Be it known that I, HENRY E. RICHMOND, residing at Westwood, in the county of Bergen and State of New Jersey, have invented and to the mounting of the hood on the shaft.

In my present construction the hood is preferably made of metal and the lens-holder of wood.

One of the objects of my invention isto provide means by which the hood and the lensholder may be quickly and cheaply connected and the lens held in place securely and neatly. Another object is to provide a stereoscope that has all the appearances of one made entirely of metal.

Another object is to provide means by which the hood and the lens-frame may be quickly and accurately mounted on the shaft without measurements or adjustments.

Other objects and advantages will appear from the hereinafter description.

My invention is shown in the accompanying sheet of drawings, which form a part of this specification. 7

Referring to the drawings, in which similar symbols of reference indicate the same parts in the several views, Figure 1 is a vertical longitudinal section of the hood end of the stereoscope embodying my invention. Fig. 2 is a horizontal section of the same. Fig. 3 is a rear view of the metal plate to which the hood is attached and which holds the lenses in place in the holder. Fig. 4 is a cross-section of the hood, showing the outturned flange by which it is held in place on the plate shown by Fig. 3.

, The part lettered A on the drawings represents the hood, which is made of a single piece of flexible material, which may be easily and cheaply cut or stamped out, this material being preferably metal.

tween the same and the lens-holder may easily.

bemade. ,This hood is bent to the shape as shownin the drawings.

The part lettered Bis a plate, preferably of sheet metal, such as aluminium, and made substantially in an elliptical shape. The edge Bofthis plate is turned over to the rear, as

shown in the drawings, to form an inner channel or groove B into which fits the outturned flange A of the hood. This plate has openings B therein, square, as shown in the drawings; but they may be circular or of any other shape desired, through which the lenses appear. These openings are cut out and the metal stamped or turned in to form walls B and the inner flanges B The walls B are shaped to conform tothe shape of the lenses O. Where in this case the lenses are wedgeshaped, the apex being toward the inner part of the holder, the inner wall 1 will be deeper than the outer wall 2, andthe two upper walls 3 will be tapered or wedge-shaped, all as shown in Fig. 2. The lower edge B of this plate is extended or projects below the part where the overturned edge 13 stops to form afiange for a purpose to be presently stated.

The part lettered D is the lens frame or holder, which is preferably made of wood and has the ordinary lens-openings D therein, D being the inwardly-projecting flanges against which the lenses O rest.

The part lettered E is the shaft, which is provided with a transverse groove E at the rear end thereof and at a right angle or perpendicular to the medial line of the shaft.

F is the dividing-strip.

Having described the diflerent parts of my invention, I will now describe how the parts drawings.

are put together and the uses and advantages thereof. First, the hood A is connected to the plate B by pressing it in or decreasing its diameter, so that the outturned flange A can be inserted inside of the turned-over edge B when this flange A will spring in the groove B when the hood is released, the groove and flange thus holding the hood and plate together. The lenses are inserted in the openings in the holder and may be held by a wedge. The holder carrying the lenses is then inserted in the hood with the forward face of the holder against the rear face of the plate, the

flange B of the said plate fitting against the.

front faces of the lenses to hold them in place and to cover up the edges of the lenses, so as to give a finish to that part of the device. The ends A of the hood are now tacked to the under side of the lens-holder to secure the holder in place in the hood. The hood carrying the lens-holder frame is now to be mounted on the shaft. As before stated, the plate B is provided with the flange B and the shaft with the groove E. This flange is fitted into said groove, and as the groove is perpendicular to the medial line of the shaft the mere placing of the flange in the groove will accurately fit the hood in place without any measurements or adjustment. The hood is then fastened to the shaft by passing screws g through the shaft and into the under side of the lens-holder, as shown in Fig. l of the The division-piece F is then secured to the shaft and a screw passed through the lens-frame and into the rear end of the division-piece, as shown in Fig. 2. It is to be' noted that the overturned edge B of the plate is not clamped -or pressed down upon the hood. This is so that the hood may be readily inserted or the parts separated when it becomes necessary.

It is evident from what has been said that a stereoscope made according to my invention can be cheaply constructed and the parts, especially the hood and shaft, fitted and accurately connected together without any measurements or adjustment. A stereoscope so constructed will be neat in finish and have all the appearances of having been made entirely of metal.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a stereoscope, a plate adapted to fit against the front face of a lens-holder and to hold the lenses in place, said plate having an overturned edge forming a groove, and a hood having disconnected ends and also having an outturned flange adapted to loosely fit in said groove, the hood being adapted to be contracted or expanded so that the overturned edge of the plate may be fitted in and taken out of the groove so that the plate and hood may be readily separated.

2. In a stereoscope, a plate having openings contracted or expanded so that the overturned edge of the plate may be fitted in and taken out of the groove so that the plate and hood may be readily separated.

3. In a stereoscope, a lens-holder having openings therein and carrying lenses, a plate bearing against the entire front face of the lens-holder, said plate having rearwardly-projecting walls, the walls being provided with inturned flanges, the plate also having over turned edges forming a groove around the edge of the plate, and a hood having an outturned flange loosely fitting into said groove, as and for the purpose set forth.

4. In a stereoscope, a shaft provided with an opening at right angles with the longitudinal axis thereof, a hood, and means connected with said hood adapted to fit in said opening, as and for the purpose set forth.

5. In a stereoscope, a shaft having a transverse groove therein and a plate having a downwardly-projecting edge adapted to fit in said groove, as and for the purpose set forth.

6. In a stereoscope, a lens-holder having lenses therein, a plate fitting against the front face of the holder, said plate having rearwardly-projecting walls, the said walls having inturned flanges, the plate having an overturned edge forming a groove and also a downwardly-projecting flange on the under side thereof, a hood having an outturned flange fitting into said groove, and a shaft having a transverse groove therein, said downwardlyprojecting flange on the plate fitting into said groove as and for the purpose specified.

7. In a stereoscope, a lens-frame having lensopenings therein, each opening provided with an edge rib against which the lenses bear upon one side, a plate having flanges thereon adapted to fit said lens-openings and to bear against the opposite sides of saidlenses and also against the walls of the lens-openings, and means for securing the plate to the lens-frame and holding the flanges in the openings.

8. Inastereoscope,alens-framehavinglensopenings therein, each opening provided with an all-round edge rib against which the lenses bear against one side, a plate having inturned flanges adapted to fit said lens-openings and to bear against the opposite sides of said lenses and also against the walls of the openings, and meansfor securing the plate to the lens-frame and to hold the flanges in the openings against the lenses.

9. In a stereoscope, a lens-frame having lensopenings therein, each opening being provided with a rib against which the lenses bear on one side, a plate having flanges thereon,said flanges adapted to fit in said openings and to take an all-round bearing against the opposite sides of ings and against the lenses.

10. In a stereoscope, a lens-frame having lens-openings therein, each opening provided with an all-round edge rih against which the lenses hear on one side, a plate having flanges thereon adapted to fit in said openings and to take an all-round bearing against the opposite sides of said lenses, and means for securing the plate'to the frame and to hold the flanges in the openings against the lenses.

11. In a stereoscope, a lens-holder, a hood in contact therewith, a shaft adapted to rest against the lower side of the hood and being separated from the holder by the hood, and fastening means for the shaft and hood.

12. In a stcreoscope, a lens-holder, a hood surrounding the same and in contact therewith about the circumference thereof, a shaft adapted to restagainst the lower side of the hood, and fastening means passing through said shaft and said hood and securing the same to the lens-holder.

In testimony whereof I aflix my signature in the presence of two witnesses.

HENRY E. RICHMOND.

Witnesses:

H. M. SEAMANs, I. U. DELANEY. 

